From aa452971a699c60d11f1c7d5b4367805046d2b92 Mon Sep 17 00:00:00 2001
From: "B. Petersen" <r10s@b44t.com>
Date: Tue, 5 Aug 2025 15:22:41 +0200
Subject: [PATCH] fix: ignore case when trying to detect 'invalid unencrypted
 mail' and add an info-message

---
 src/smtp.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/smtp.rs b/src/smtp.rs
index 405f4f5e0..100b567c2 100644
--- a/src/smtp.rs
+++ b/src/smtp.rs
@@ -414,7 +414,11 @@ pub(crate) async fn send_msg_to_smtp(
                 .await?;
         }
         SendResult::Failure(ref err) => {
-            if err.to_string().contains("Invalid unencrypted mail") {
+            if err
+                .to_string()
+                .to_lowercase()
+                .contains("invalid unencrypted mail")
+            {
                 let res = context
                     .sql
                     .query_row_optional(